CVE-2026-13181

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-22. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 8.1Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In Progress® Telerik® UI for AJAX prior to v2026.2.708, forged upload metadata can influence AsyncUploadTypeName processing and trigger unsafe attacker-controlled type resolution, enabling remote code execution in affected deployments.

CVSS v3
8.1
EG Score
8.1(medium)
EG Risk
37(Track)
EG Risk 37/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation1% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
41%
KEV
Not listed

Published

July 22, 2026

Last Modified

August 6, 2026

Advisory Details (1)

Auto-updated Jul 22, 2026
No patch confirmed yet.
generic

Telerik Web Forms RadAsyncUpload AsyncUploadTypeName Type Resolution Vulnerability (CVE-2026-13181) - Telerik UI for ASP.NET AJAX

https://www.telerik.com/products/aspnet-ajax/documentation/knowledge-base/kb-security-rau-asyncuploadtypename-deserialization-CVE-2026-13181

Vendor Advisories for CVE-2026-13181(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 18× in last 7d / 82× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 179 total refreshes for this CVE.

  1. 2026-09-14 11:20 UTCGHSA enrichment
  2. 2026-09-13 22:26 UTCEG score recompute
  3. 2026-09-13 22:26 UTCGHSA enrichment
  4. 2026-09-13 16:46 UTCEPSS rescore
  5. 2026-09-13 08:42 UTCGHSA enrichment
  6. 2026-09-12 19:48 UTCEG score recompute
  7. 2026-09-12 19:48 UTCGHSA enrichment
  8. 2026-09-12 15:00 UTCEPSS rescore
  9. 2026-09-12 06:53 UTCGHSA enrichment
  10. 2026-09-11 17:52 UTCEG score recompute
  11. 2026-09-11 17:52 UTCGHSA enrichment
  12. 2026-09-11 14:52 UTCEPSS rescore
  13. 2026-09-11 09:36 UTCEPSS rescore
  14. 2026-09-10 21:37 UTCEG score recompute
  15. 2026-09-10 21:37 UTCGHSA enrichment
  16. 2026-09-10 09:34 UTCEPSS rescore
  17. 2026-09-09 09:16 UTCEG score recompute
  18. 2026-09-09 09:16 UTCGHSA enrichment
  19. 2026-09-08 22:00 UTCEPSS rescore
  20. 2026-09-07 21:42 UTCEG score recompute
  21. 2026-09-07 21:42 UTCGHSA enrichment
  22. 2026-09-07 16:01 UTCEPSS rescore
  23. 2026-09-06 13:47 UTCEPSS rescore
  24. 2026-09-06 09:30 UTCGHSA enrichment
  25. 2026-09-05 20:09 UTCEG score recompute
Show 75 more
  1. 2026-09-05 20:09 UTCGHSA enrichment
  2. 2026-09-05 07:15 UTCEG score recompute
  3. 2026-09-05 07:15 UTCGHSA enrichment
  4. 2026-09-04 13:54 UTCEG score recompute
  5. 2026-09-04 13:54 UTCGHSA enrichment
  6. 2026-09-04 05:06 UTCEPSS rescore
  7. 2026-09-02 14:11 UTCEPSS rescore
  8. 2026-09-01 23:41 UTCEG score recompute
  9. 2026-09-01 23:41 UTCGHSA enrichment
  10. 2026-09-01 13:53 UTCEPSS rescore
  11. 2026-09-01 04:39 UTCEPSS rescore
  12. 2026-08-31 03:10 UTCEG score recompute
  13. 2026-08-31 03:10 UTCGHSA enrichment
  14. 2026-08-30 19:17 UTCEPSS rescore
  15. 2026-08-30 14:12 UTCEG score recompute
  16. 2026-08-30 14:12 UTCGHSA enrichment
  17. 2026-08-30 01:21 UTCEPSS rescore
  18. 2026-08-30 00:55 UTCEG score recompute
  19. 2026-08-30 00:55 UTCGHSA enrichment
  20. 2026-08-28 21:40 UTCEPSS rescore
  21. 2026-08-28 01:32 UTCEG score recompute
  22. 2026-08-28 01:32 UTCGHSA enrichment
  23. 2026-08-27 14:24 UTCEPSS rescore
  24. 2026-08-27 12:32 UTCGHSA enrichment
  25. 2026-08-26 23:38 UTCEG score recompute
  26. 2026-08-26 23:38 UTCGHSA enrichment
  27. 2026-08-26 10:42 UTCGHSA enrichment
  28. 2026-08-25 20:10 UTCEG score recompute
  29. 2026-08-25 20:10 UTCGHSA enrichment
  30. 2026-08-25 13:48 UTCEPSS rescore
  31. 2026-08-25 07:10 UTCGHSA enrichment
  32. 2026-08-24 18:15 UTCEG score recompute
  33. 2026-08-24 18:15 UTCGHSA enrichment
  34. 2026-08-24 05:11 UTCGHSA enrichment
  35. 2026-08-23 16:17 UTCGHSA enrichment
  36. 2026-08-23 03:19 UTCEG score recompute
  37. 2026-08-23 03:19 UTCGHSA enrichment
  38. 2026-08-23 00:19 UTCEPSS rescore
  39. 2026-08-22 14:25 UTCGHSA enrichment
  40. 2026-08-22 01:23 UTCEG score recompute
  41. 2026-08-22 01:23 UTCGHSA enrichment
  42. 2026-08-21 23:48 UTCEPSS rescore
  43. 2026-08-21 12:29 UTCGHSA enrichment
  44. 2026-08-20 23:35 UTCEG score recompute
  45. 2026-08-20 23:35 UTCGHSA enrichment
  46. 2026-08-20 22:55 UTCEPSS rescore
  47. 2026-08-20 10:40 UTCGHSA enrichment
  48. 2026-08-19 21:46 UTCEG score recompute
  49. 2026-08-19 21:46 UTCGHSA enrichment
  50. 2026-08-19 17:03 UTCEPSS rescore
  51. 2026-08-19 08:07 UTCGHSA enrichment
  52. 2026-08-18 19:12 UTCEG score recompute
  53. 2026-08-18 19:12 UTCGHSA enrichment
  54. 2026-08-18 13:48 UTCEPSS rescore
  55. 2026-08-18 01:28 UTCEG score recompute
  56. 2026-08-18 01:28 UTCGHSA enrichment
  57. 2026-08-17 12:18 UTCGHSA enrichment
  58. 2026-08-16 23:24 UTCEG score recompute
  59. 2026-08-16 23:24 UTCGHSA enrichment
  60. 2026-08-16 14:56 UTCEPSS rescore
  61. 2026-08-16 10:29 UTCEG score recompute
  62. 2026-08-16 10:29 UTCGHSA enrichment
  63. 2026-08-16 02:14 UTCEPSS rescore
  64. 2026-08-15 21:36 UTCGHSA enrichment
  65. 2026-08-15 08:42 UTCEG score recompute
  66. 2026-08-15 08:42 UTCGHSA enrichment
  67. 2026-08-15 01:30 UTCEPSS rescore
  68. 2026-08-14 19:47 UTCGHSA enrichment
  69. 2026-08-14 06:53 UTCEG score recompute
  70. 2026-08-14 06:53 UTCGHSA enrichment
  71. 2026-08-13 22:00 UTCEPSS rescore
  72. 2026-08-13 17:59 UTCGHSA enrichment
  73. 2026-08-13 05:05 UTCGHSA enrichment
  74. 2026-08-12 16:12 UTCEG score recompute
  75. 2026-08-12 16:12 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-13181?
CVE-2026-13181 is a high vulnerability published on July 22, 2026. In Progress® Telerik® UI for AJAX prior to v2026.2.708, forged upload metadata can influence AsyncUploadTypeName processing and trigger unsafe attacker-controlled type resolution, enabling remote code execution in affected deployments.
When was CVE-2026-13181 disclosed?
CVE-2026-13181 was first published in the National Vulnerability Database on July 22, 2026, with the most recent update on August 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13181 actively exploited?
CVE-2026-13181 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 58.6% of all scored CVEs.
What is the CVSS score of CVE-2026-13181?
CVE-2026-13181 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2026-13181?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13181, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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